Every Form 4 that Birchtech Corp. (BCHT) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow BCHT and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full BCHT filings page.
Birchtech Corp. President and CEO Richard MacPherson reported an open-market purchase of the company’s common stock. He bought 312,500 shares at $2.40 per share for a total of $750,000 in a public offering of 6,250,000 shares that closed on February 27, 2026.
Following this transaction, his directly owned stake increased to 2,955,095 common shares. The share amounts in the filing reflect Birchtech’s 1-for-5 reverse stock split that became effective on December 26, 2025.
Birchtech Corp. director David M. Kaye reported exercising stock options for 250,000 shares of common stock on 12/12/2025. The options had an exercise price of $0.58 per share. The transaction was structured as a cashless exercise, where 155,214 shares were withheld by the company at a VWAP of $0.9342 per share to pay the exercise cost, resulting in 94,786 net shares of common stock being issued to him.
After these transactions, Kaye directly beneficially owned 370,142 shares of Birchtech common stock, and the underlying stock option for 250,000 shares was fully exercised, leaving no derivative securities beneficially owned.
Birchtech Corp. insider Richard MacPherson, the company’s President, CEO, director and 10% owner, reported an option exercise and related share withholding. On 12/12/2025 he exercised a stock option for 500,000 shares of common stock at $0.58 per share using a cashless exercise.
To fund the exercise cost, 310,427 shares were withheld by Birchtech at a VWAP of $0.9342 per share, resulting in 189,573 net new shares of common stock being issued to him. After these transactions, he directly owns 13,212,954 shares of Birchtech common stock.
Birchtech Corp. reported an insider stock transaction by Senior VP and Chief Tech Officer John Pavlish. On 12/11/2025, he exercised a stock option to buy 300,000 shares of common stock at $0.58 per share through a cashless exercise.
To cover the cost, 190,560 shares were withheld by the company at a volume-weighted average price of $0.9131 per share, resulting in 109,440 shares of common stock being issued to him on a net basis. Following these transactions, he directly beneficially owned 2,198,528 shares of Birchtech common stock.